Well after posting that you are a bit stuffed now. I would have stuck up at 2.5k, then have had minimum amount in your mind you'd take so you had negotiation room. you stick it up for a 1k you still getting people offering you £800.00.
The Classic Army will run you about 3k new, but is hard to get hold of. So 2.5K is not unreasonable asking price. The issue is finding some one with that sort of money to dump on an airsoft gun. If you have 2.5k to buy a second hand gun you probably have the 3k to buy new.
Nice bit of design work there, I am going to nit pick. I really dislike it when people say TMs have design flaws because they break if you use over powered gas. That's like saying a a petrol powered engine has a design flaw because won't run on diesel. TMs do what they are designed to do and its...
Just a heads up for anyone with a Tokyo Marui FN45 fractured slide. Some one has produced a 3d pintable file for a replacement slide https://cults3d.com/en/3d-model/various/tm-fnx-45-slide ( I have no affiliation with creator).
Springer Auto 9 from Wonderland Models on Lothian road in 2000. Then a Springer P99 after the Auto 9 was stolen, a random NBB 1911 and finally a used TM Thompson and off to play at the 1st Fort in fife.
Options for manufactures are Ares, VFC or ACM. ACM is £100 for just the launcher new. I would assume that as your base price if you can't determine which one it is, so £70 to £60.
Third for that guy is genuine but a little try hard. It's like Jack Black, apparently everyone loves, l just want to say to him tone it down you are acting like a twat.
Going to go the opposite all my TM gas shotguns ran like a dream (I used 144a gas). the Golden Eagles leaked and jammed. however the price difference it mean it worth it to put up with the Golden Eagles failings.